Variable Interest Entities - Fair Value of Assets and Liabilities (Details) - Consolidated investment entities - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Liabilities
Debt	$ 2,119	$ 2,155
Recurring basis
Assets
Investments	2,028	2,099
Receivables	25	28
Other assets		1
Total assets at fair value	2,053	2,128
Liabilities
Debt	2,119	2,155
Other liabilities	56	45
Total liabilities at fair value	2,175	2,200
Recurring basis | Corporate debt securities
Assets
Investments	38	40
Recurring basis | Common stocks
Assets
Investments	6	5
Recurring basis | Syndicated loans
Assets
Investments	1,984	2,054
Recurring basis | Level 1
Assets
Investments	0	0
Receivables	0	0
Other assets		0
Total assets at fair value	0	0
Liabilities
Debt	0	0
Other liabilities	0	0
Total liabilities at fair value	0	0
Recurring basis | Level 1 | Corporate debt securities
Assets
Investments	0	0
Recurring basis | Level 1 | Common stocks
Assets
Investments	0	0
Recurring basis | Level 1 | Syndicated loans
Assets
Investments	0	0
Recurring basis | Level 2
Assets
Investments	1,962	2,036
Receivables	25	28
Other assets		1
Total assets at fair value	1,987	2,065
Liabilities
Debt	2,119	2,155
Other liabilities	56	45
Total liabilities at fair value	2,175	2,200
Recurring basis | Level 2 | Corporate debt securities
Assets
Investments	38	40
Recurring basis | Level 2 | Common stocks
Assets
Investments	5	5
Recurring basis | Level 2 | Syndicated loans
Assets
Investments	1,919	1,991
Recurring basis | Level 3
Assets
Investments	66	63
Receivables	0	0
Other assets		0
Total assets at fair value	66	63
Liabilities
Debt	0	0
Other liabilities	0	0
Total liabilities at fair value	0	0
Recurring basis | Level 3 | Corporate debt securities
Assets
Investments	0	0
Recurring basis | Level 3 | Common stocks
Assets
Investments	1	0
Recurring basis | Level 3 | Syndicated loans
Assets
Investments	65	63
CLOs
Liabilities
Debt	$ 2,100	$ 2,100